Lab Quiz 4 Name: _____________________

BioPl 243 TA: Pam White

Sect. 01

28 Oct 1998

This quiz is worth 15 points. There are five stations corresponding to the five questions. Good luck!
  1. (3 points) Do not dissect the flower.
    a. Which family is represented here? CARYOPHYLLACEAE
    b. What type of placentation is present in this family? FREE CENTRAL
    c. In the space provided below, draw the placentation as it would appear in a cross section of the ovary. Be sure to label all parts:

    2. SEE FIG. 10-9 J, p. 154 W & K

     

     

     

     

     

     

  2. (4 points)
    a. What are betalains? water soluble pigments
    b. Which of these plants contain betalains and what families are they in? In your answer list the letter of the appropriate plant, then the name of the family.

    3. B – Chenopodiaceae

    E – Cactaceae

    F -- Nyctaginaeae

  3. (2 points)
    a. What is distinctive about the embryos in these fruits? curved or spiralled
    b. Which family is represented here? CHENOPODIACEAE
  4. (3 points)
    a. Which family is represented here? MALVACEAE
    b. What is the ovary position in this family? superior
    c. What specific term describes the connate stamens in this family? monadelphous
  5. (3 points)
    a. Which family is represented here? BRASSICACEAE
    b. What term is used to describe the stamen arrangement in the flowers of this family? tetradynamous
    c. Draw the stamen arrangement in the space provided below. For full credit, be sure to draw the number of stamens and their relative positions correctly.

draw four long and 2 short stamens. See p. 338 , fig 16-17 B (2 long stamens are not shown in this figure